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Performance Mufflers & More

Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in...

Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in a variety of shapes, sizes, inlet diameters, and inlet/outlet quantities. Bring that throaty performance sound to your street machine or musclecar with a chambered muffler or choose the superior noise reduction of a turbo-style muffler. For all-out race performance, shop our selection of glasspack mufflers, straight-through racing mufflers, and resonators. What does a high performance muffler sound like? You decide with our huge in-stock selection of mufflers...

Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in a variety of shapes, sizes, inlet diameters, and inlet/outlet quantities. Bring that throaty performance sound to your street machine or musclecar with a chambered muffler or choose the superior noise reduction of a turbo-style muffler. For all-out race performance, shop our selection of glasspack mufflers, straight-through racing mufflers, and resonators. What does a high performance muffler sound like? You decide with our huge in-stock selection of mufflers for musclecars, street rods, race cars, trucks, SUVs, and more!

Related Parts: Exhaust Tubing | Exhaust Tips | Exhaust Clamps | Exhaust Hangers

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Individual Parts

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Results 1 - 25 of 89

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12512409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12512409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12512409

Muffler, Stainless Steel, Black, 2.5 in. Inlet/Outlet, 17 in. Length, 4 in. Thick, Each

Part Number: FLO-12512409

4.85 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12518304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12518304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12518304

Muffler, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-12518304

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Dynomax Ultra Flo Welded Round 409 Stainless Steel 3 Inch Muffler 17223

Dynomax Ultra Flo Welded Round 409 Stainless Steel 3 Inch Muffler 17223

Dynomax Ultra Flo Welded Round 409 Stainless Steel 3 Inch Muffler 17223

Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each

Part Number: WLK-17223

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409

Muffler, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-12518409

4.71 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Dynomax Ultra Flo Welded Round Steel 3.5 Inch Muffler 17224

Dynomax Ultra Flo Welded Round Steel 3.5 Inch Muffler 17224

Dynomax Ultra Flo Welded Round Steel 3.5 Inch Muffler 17224

Muffler, Ultra Flo Welded, 3 1/2 in. Inlet/3 1/2 in. Outlet, Stainless Steel, Each

Part Number: WLK-17224

4.96 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304

Muffler, Oval, Stainless, Natural, 2.5 in. Center Inlet/Outlet, 18 in. Overall Length, Each

Part Number: FLO-12512304

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17537

Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17537

Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17537

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Dynomax Ultra Flo Welded Round Steel 2.5 Inch Muffler 17230

Dynomax Ultra Flo Welded Round Steel 2.5 Inch Muffler 17230

Dynomax Ultra Flo Welded Round Steel 2.5 Inch Muffler 17230

Muffler, Ultra Flo Welded, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Each

Part Number: WLK-17230

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12418409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12418409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12418409

Muffler, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-12418409

4.75 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12412409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12412409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12412409

Resonator, Stainless Steel, Black, 2.25 in. Inlet/Outlet, 17 in. Length, 4 in. Diameter, Each

Part Number: FLO-12412409

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17267

Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17267

Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17267

Muffler, Ultra Flo SS, 3 in. Inlet/3 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17267

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12012409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12012409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12012409

Muffler, Oval, Stainless Steel, Black, 2 in. Center Inlet/Outlet, 18 in. Overall Length, Each

Part Number: FLO-12012409

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12018409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12018409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12018409

Muffler, 2 in. Inlet/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-12018409

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17283

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17283

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17283

Muffler, Ultra Flo SS, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17283

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17296

Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17296

Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17296

Muffler, Ultra Flo SS, 3 in. Inlet/3 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17296

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17225

Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17225

Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17225

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17225

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Dynomax Ultra Flo SS 304 Stainless Steel 2.25 Inch Muffler 17282

Dynomax Ultra Flo SS 304 Stainless Steel 2.25 Inch Muffler 17282

Dynomax Ultra Flo SS 304 Stainless Steel 2.25 Inch Muffler 17282

Muffler, Ultra Flo SS, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17282

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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AP Exhaust Challenge Steel 1.5 Inch Muffler 3206

Made in the USA

AP Exhaust Challenge Steel 1.5 Inch Muffler 3206

AP Exhaust Challenge Steel 1.5 Inch Muffler 3206

Muffler, Challenge, Steel, Aluminized, Honda, Each

Part Number: APH-3206

Not Yet Reviewed

Estimated Ship Date: Today

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Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17289

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17289

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17289

Muffler, Ultra Flo SS, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17289

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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AP Exhaust Challenge Steel Inch Muffler 40287

Made in the USA

AP Exhaust Challenge Steel Inch Muffler 40287

AP Exhaust Challenge Steel Inch Muffler 40287

Mufflers, Replacement, Challenge LTW Series, OEM Design, Aluminized Steel, Dual Inlet/Outlet, Front Muffler, Ford, 3.7L, Each

Part Number: APH-40287

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17519

Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17519

Dynomax Ultra Flo SS 304 Stainless Steel 3 Inch Muffler 17519

Muffler, Ultra Flo SS, 3 in. Inlet/Dual 2 1/2 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17519

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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AP Exhaust Challenge Steel 3 Inch Muffler 2621

Made in the USA

AP Exhaust Challenge Steel 3 Inch Muffler 2621

AP Exhaust Challenge Steel 3 Inch Muffler 2621

Challenge Muffler - Lifetime Warranty 14-16 Silverado / GMC Sierra 1500 Series 4.3L/5.3L 2WD/4WD

Part Number: APH-2621

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust Challenge Steel 3.5 Inch Muffler 2589

Made in the USA

AP Exhaust Challenge Steel 3.5 Inch Muffler 2589

AP Exhaust Challenge Steel 3.5 Inch Muffler 2589

Muffler, Challenge, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2589

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust Challenge Steel 2.25 Inch Muffler 2991

Made in the USA

AP Exhaust Challenge Steel 2.25 Inch Muffler 2991

AP Exhaust Challenge Steel 2.25 Inch Muffler 2991

Mufflers, Challenge, Steel, Aluminized, Baffled, Round Case, Buick, Chevrolet, Chrysler, Oldsmobile, Pontiac, Each

Part Number: APH-2991

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17263

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17263

Dynomax Ultra Flo SS 304 Stainless Steel 2.5 Inch Muffler 17263

Muffler, Ultra Flo SS, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Polished, Each

Part Number: WLK-17263

4.75 out of 5 stars ( 8 )

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

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